it won her an mtv europe music award. >> the welsh singer released her sophomore album that went straight to number one. welcome. >> you've got songs that make you want to get up off the couch and dance like the one you're going to perform for us. you've been clumped up with great artists, lawrence and the machine, katy perry. how does that make you feel as a newcomer, at least on the stage? >> generally annoyed. >> really? >> yeah. >> why? >> it's astounding how much i've been compared to other artists and completely different artists. sometimes it's a compliment. i think it's getting to a point where -- >> you're your own girl. >> i hope i am. >> which of those are you a fan of? >> i love florence. i love katy, i went on tour with her. yeah. i love anyone who is great. >> what are you going to perform for us? >> it's called "how to be a heartbreaker." >> marina and the diamonds, take et away. ♪ rule number one ♪ ♪ is that you gotta have fun ♪ but baby when you're done ♪ you gotta be the first to run ♪ ♪ rule number two ♪ just don't get attached to ♪ somebody you could